<!doctype html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>Document</title>
	</head>
	<body>
		<!-- 头部开始 -->
		<a href="">百度</a>
		<img src="" alt="">
		<table>
			<tr>
				&lt;td&gt;&lt;/td&gt;
			</tr>
		</table>

	</body>
</html>